Question : how do you find Cofactor of Matrix? Solution : Cofactor of Matrix Cofactor of a matrix \(A\) is a matrix \(c_{i,j}\) where \(c_{i,j} =(-1)^{i+j}M_{i,j}\). It is denoted as \(cof(A)\). Example : Find cofactor of the matrix \[\left( {\begin{array}{*{20}{c}}2&3&-1\\4&0&5\\6&0&-2\end{array}}…
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